/*
 * Copyright 2018 Qunar, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package qunar.tc.qmq.meta.loadbalance;

import java.util.List;

/**
 * The interface Load balance.
 *
 * @param <T>  the type parameter
 * @author yunfeng.yang
 * @since 2017 /8/30
 */
public interface LoadBalance<T> {

    /**
     * Select list.
     *
     * @param subject the subject
     * @param brokerGroups the broker groups
     * @param minNum the min num
     * @return the list
     */
    List<T> select(String subject, List<T> brokerGroups, int minNum);

    /**
     * Name string.
     *
     * @return the string
     */
    String name();

}
